In a demux, we have n output lines, one input line, and m select lines. PULSE STUFFING/BIT PADDING/BIT STUFFING Sometimes the bit rates of sources are not multiple integers of each other One solution is to make the highest input data ratethe dominant data rate and then add dummy bits to the input lines with lower rates May 21, 2019 31 FRAME SYNCHRONIZING In TDM, synchronization between multiplexer and the demultiplexer is very … line for transmission over that line to a common destination. A multiplexer is a circuit that accept many input but give only one output. = n. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. A multiplexer is a circuit that accept many input but give only one output. Presentation Summary : Solution The multiplexer is shown in Figure 6.16. Multiplexers and Demultiplexers - Multiplexers and Demultiplexers Design of a 2/1 Mux 2/1 mux Block Diagram Truth Table Design of 2/1 Mux Continued K-Map 4/1 Mux Circuit Uses of Multiplexers Used in ... | PowerPoint PPT presentation | free to view • A multiplexer (MUX) is a circuit that has –Data inputs –Control inputs –An output • The control inputs select which data inputs to be connected to the output • Figure 9.1 ([RothKinney]) show a 2:1 MUX and its model as a switch Clipping is a handy way to collect important slides you want to go back to later. See our Privacy Policy and User Agreement for details. DEMULTIPLEXER A multiplexer is often used with a complementary demultiplexer on the receiving end. You can change your ad preferences anytime. COMPUTER ORGANIZATION -Multiplexer,Demultiplexer, Encoder, Verilog VHDL code Multiplexer and De Multiplexer, No public clipboards found for this slide, Multiplexer and demultiplexer applications.ppsx 3. MULTIPLEXING Multiplexing is the set of techniques that allows the simultaneous transmission of multiple signals across a single data link. Although they appear similar, they certainly perform different functions. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. 1. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. See our Privacy Policy and User Agreement for details. Demultiplexers can be used to implement general purpose logic. In this easier process, Demultiplexer receive the output data of Multiplexer (as a receiver) and covert back them to the original form then. Multiplexers and demultiplexers are often confused with one another by students first learning about them. Normally, there are 2n input lines If a multiplexer or encoder has N output lines, then it has 2 N input lines. If the package is to be used as a demultiplexer then input lines G2A and G2B can be grounded and G1 can be used as the input line for data. Some multiplexers perform both multiplexing and demultiplexing operations. Multiplexer_and_Demultiplexer.ppt - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Demultiplexer (Demux) and Multiplexer (MUX) both are used in communication systems to carry multiple data signals (i.e. The function of the multiplexer is to pick the i/p of any n input lines and feed that to at least one output line. Multiplexer / Demultiplexer - Project Lead the Way PPT Presentation Summary : Inquiry Based Learning – (Stephenson) The power of an inquiry-based approach to teaching and learning is its potential to increase intellectual engagement and A multiplexer is often used with a complementary demultiplexer on the receiving end. information from several sources to be routed onto a single As the name implies, their functions are opposite to each other (similar to encoder and decoder).These devices are used for sharing a device between two or more applications. Multiplexer (data Selectors) A demultiplexer (or demux) is a device taking a single input signal and selecting one of many data-output-lines, which is connected to the single input. If so, share your PPT presentation slides online with PowerShow.com. To study demultiplexer. Theory: Multiplexers: A multiplexer is a combinational circuit that selects binary information from one of many input lines and directs it to a single output line. For N input lines, log n (base2) selection lines, or we can say that for 2 n input lines, n selection lines are required. AND Clipping is a handy way to collect important slides you want to go back to later. 1 to 4 demultiplexer. It selects one of the input and passes to the output.There is one more terminal called as select input which decides which input terminal is to be selected to send output. Now customize the name of a clipboard to store your clips. • Below is a design of 16:1 MUX using 4 4:1 MUXs :- 7. 1. Theory: Multiplexers: In electronics, a multiplexer (or mux) is a device that selects one of several analog or digital input signals and forwards the selected input into a single line. MULTIPLEXER 74157 is a popular Quad 2 to 1 multiplexer that this IC has four 2 to 1 multiplexers all integrated on the same chip. The device has been fabricated in the standard silicon-on-insulator platform. • Some select line (less than the no. A demultiplexer function exactly in the reverse of a multiplexer, that is a demultiplexer accepts only one input and gives many outputs. 2. A multiplexer of 2n inputs has n select lines, which are used to select which input line to send to the output. A demultiplexer is a combinational logic circuit that performs the opposite function as that of a multiplexer. Generally multiplexer and demultiplexer are used together, because of the communication systems are bi directional. Q.1 What is a multiplexer? Demultiplexer (Data Distributor) • Definition : A DEMULTIPLEXER (DEMUX) basically reverses the multiplexing function. DONE BY SAFIA SAFREEN(15L31A02C5). The selection of a particular input line is controlled by a set of selection lines. 2m audio, video etc) using single line for transmission. To study demultiplexer. of input lines) If s 3 is zero, then one of the eight outputs of lower 1x8 De-Multiplexer will be equal to input, I … • Definition : A multiplexers (MUX) is a device that allows digital it receives one input and distributes it over several outputs. 2. The other selection line, s 3 is applied to 1x2 De-Multiplexer. Encoder Design ENC: OR gates used to design encoder. See our User Agreement and Privacy Policy. Do you have PowerPoint slides to share? A demultiplexer performs the reverse operation of a multiplexer i.e. Multiplexer and demultiplexer are two devices very important in data communications. The mode demultiplexer consists of an array of 2D grating couplers for dual polarization few mode fiber-to-chip coupling and optical hybrids realized by 4×4 MMIs. It is a combinational circuit which have many data inputs and single output depending on control or select inputs. • If there are n data input lines and m select lines, then Multiplexer is the device which has n inputs and only one output. Each Frame Carries PPT. 2. Digital Electronics - Multiplexers & Demultiplexers. We demonstrate an on-chip coherent mode scrambling demultiplexer for polarization multiplexed few mode signals. As data and telecommunications use increases, so does traffic. The outputs of upper 1x8 De-Multiplexer are Y 15 to Y 8 and the outputs of lower 1x8 DeMultiplexer are Y 7 to Y 0. A common example of a decoder/demultiplexer IC is the 74LS148, which is a Low-Power Schottky TTL device that has 8 input lines and 3 output lines. It has only one input, n outputs, m select input. See our User Agreement and Privacy Policy. Solution The Multiplexer Is Shown In Figure 6.16. De-Multiplexer. 0 1 S1 0 1 S2 F MUX MUX W Which of the following Boolean functions is realized by circuit ? This video discusses how multiplexers and multiplexers work and introduces clock multiplexing. First, the source wavelengths must lie within the useful gain region of the amplifiers, and they must be stabilized to maintain channel spacing with … Generally multiplexer and demultiplexer are used together, because of the communication systems are bi directional. it receives one input and distributes it over several outputs. The main difference between a multiplexer and a de-multiplexer is that a multiplexer takes two or more signals and encodes them on a wire, whereas a de-multiplexer does reverse to what the multiplexer … Multiplexer Tree • The Multiplexers with more number of inputs can be obtained by cascading two or more multiplexers with less number of inputs. Utilization Outline MULTIPLEXING. Three Phase to Three phase Cycloconverter, Fourier Series for Continuous Time & Discrete Time Signals, Initial Conditions of Resistor, Inductor & Capacitor, First order non-linear partial differential equation & its applications, No public clipboards found for this slide. A typical example of a 3-to-8 line decoder/demultiplexer, the 74138, is shown in Figure 5.11. These include transmitter source characteristics, optical amplifier performance, multiplexer– demultiplexer requirements, and receiver design. An electronic multiplexer can be considered as a multiple-input, single-output switch, and a demultiplexer as a single-input, multiple-output switch. The following figure shows the pinout and working diagram of the multiplexer IC. Looks like you’ve clipped this slide to already. The 74138 with three enable inputs has a flexible enabling system. APPLICATIONS……… At a time only one output line is selected by the select lines and the input is transmitted to the selected output line. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Now customize the name of a clipboard to store your clips. If you continue browsing the site, you agree to the use of cookies on this website. A demultiplexer … If you continue browsing the site, you agree to the use of cookies on this website. Each frame carries 1 byte from each channel; the size of each frame, therefore, is 4 bytes, or 32 bits. W S1 S2 B ) WS1 + WS2 + S1S2 W + S C ) 2 + S2 D ) W + S1 + S2 GATE 2014 EC Marks: 1 A ) Multiplexer IC 74hc157: The multiplexer ICs are common products and are readily available in the market. Multiplexers are also known as “Data n selector, parallel to serial convertor, many to one circuit, universal logic circuit ”. Looks like you’ve clipped this slide to already. A 1 to 4 multiplexer uses 2 select lines (S0, S1) to determine which one of the 4 outputs (Y0 - Y3) is routed from the input (D). Bandwidth. The short form of multiplexer and demultiplexer are Mux and Demux. An encoder is a device, circuit, software program, algorithm or person that converts information from one format or … You can change your ad preferences anytime. The relation between the number of output lines and the number of select lines is the same as we saw in a multiplexer. Scribd is … If you continue browsing the site, you agree to the use of cookies on this website. • Several data input lines Ans. A demultiplexer function exactly in the reverse of a multiplexer, that is a demultiplexer accepts only one input and gives many outputs. The PowerPoint PPT presentation: "Multiplexers and Demultiplexers" is the property of its rightful owner. • Single output line Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. In this presentation there are slides of application of multiplexer and demultiplexer. Q – 1 Consider the multiplexer based logic circuit shown in the figure. The reverse of the digital demultiplexer is the digital multiplexer. By setting the input to true, the demux behaves as a decoder. Demultiplexer . Shown here is a multiplexer and a demultiplexer, each using a multiple-position switch symbol to indicate the selection functions inside the respective circuits: S0 S1 S2 If you continue browsing the site, you agree to the use of cookies on this website. The main difference between a multiplexer and a de-multiplexer is that a multiplexer takes two or more signals and encodes them on a wire, whereas a de-multiplexer does reverse to what the multiplexer does. A demultiplexer is a device, that has one input and multiple output lines which are used to send a signal to one of the various devices. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. 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